My
periodic table poster
is now available!
Terbium-doped glass.
A small impurity of terbium gives this glass its brilliant red color.
Source:
eBay seller tranquil-gardens
Contributor:
Theodore Gray
Acquired:
24 March, 2009
Text Updated:
24 March, 2009
Price:
$2.50
Size:
0.75"
Purity:
<1%